Fix typo in NEWS.md and update links.
need to initialize new gc root in jl_compute_type_union
add helpful quotes to some error messages. closes #8837
Merge branch 'master' of https://github.com/JuliaLang/julia

* 'master' of https://github.com/JuliaLang/julia:
  add helpful quotes to some error messages. closes #8837
  need to initialize new gc root in jl_compute_type_union
  Fix typo in NEWS.md and update links.
Fix #6804

floor(2^31-1*runif(1)) was always returning the value 2147483647. It is now floor(runif(1, min=0, max=2^31-1))
Merge pull request #8841 from pabloferz/pf/perf

Fix #6804
NEWS updates
Merge branch 'master' of https://github.com/JuliaLang/julia

* 'master' of https://github.com/JuliaLang/julia:
  NEWS updates
  Fix #6804